@import './base.css';
#app {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100%;
  min-height: 100vh;
  margin: 0 auto;
  /* 未知背景 */
  background: rgba(4, 19, 46, 0.8);
}

@media screen and (max-width: 600px) {
  html, body {
    width: 600px;
  }
}